CA2862902A1 - Anti-backout mechanism for orthopedic devices - Google Patents

Anti-backout mechanism for orthopedic devices Download PDF

Info

Publication number
CA2862902A1
CA2862902A1 CA2862902A CA2862902A CA2862902A1 CA 2862902 A1 CA2862902 A1 CA 2862902A1 CA 2862902 A CA2862902 A CA 2862902A CA 2862902 A CA2862902 A CA 2862902A CA 2862902 A1 CA2862902 A1 CA 2862902A1
Authority
CA
Canada
Prior art keywords
fastener
plate
neck
actuated
aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA2862902A
Other languages
English (en)
French (fr)
Inventor
James Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orthofix US LLC
Original Assignee
Blackstone Medical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blackstone Medical Inc filed Critical Blackstone Medical Inc
Publication of CA2862902A1 publication Critical patent/CA2862902A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8047—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers wherein the additional element surrounds the screw head in the plate hole
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
CA2862902A 2012-05-17 2013-05-16 Anti-backout mechanism for orthopedic devices Abandoned CA2862902A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/474,553 2012-05-17
US13/474,553 US9468481B2 (en) 2012-05-17 2012-05-17 Anti-backout mechanism for orthopedic devices
PCT/US2013/041419 WO2013173622A1 (en) 2012-05-17 2013-05-16 Anti-backout mechanism for orthopedic devices

Publications (1)

Publication Number Publication Date
CA2862902A1 true CA2862902A1 (en) 2013-11-21

Family

ID=49581928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2862902A Abandoned CA2862902A1 (en) 2012-05-17 2013-05-16 Anti-backout mechanism for orthopedic devices

Country Status (7)

Country Link
US (1) US9468481B2 (enrdf_load_stackoverflow)
EP (1) EP2849664A4 (enrdf_load_stackoverflow)
JP (1) JP2015518742A (enrdf_load_stackoverflow)
AU (1) AU2013262722A1 (enrdf_load_stackoverflow)
BR (1) BR112014018015A8 (enrdf_load_stackoverflow)
CA (1) CA2862902A1 (enrdf_load_stackoverflow)
WO (1) WO2013173622A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8940030B1 (en) 2011-01-28 2015-01-27 Nuvasive, Inc. Spinal fixation system and related methods
US9468481B2 (en) * 2012-05-17 2016-10-18 Blackstone Medical, Inc. Anti-backout mechanism for orthopedic devices
WO2014102559A1 (en) * 2012-12-27 2014-07-03 Max Prop S.R.L. Propeller and relative method for fine adjusting the fluid dynamic pitch of the propeller blades
US9421053B2 (en) 2014-05-08 2016-08-23 Titan Spine, Llc Implant fixation assemblies having a screw and C-shaped fixation collar
EP3203920A4 (en) * 2014-10-06 2018-07-04 Implantable Design LLC Distraction plate system
KR101893116B1 (ko) * 2018-04-25 2018-08-30 의료법인 명지의료재단 나사 반잠김식 뼈 고정 장치

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630252A (en) * 1970-04-27 1971-12-28 Rosan Eng Corp Stud fastener assembly with integral lockring
US4067371A (en) * 1976-07-15 1978-01-10 Vsi Corporation Mechanically locking fastener
US4797022A (en) * 1987-01-09 1989-01-10 Textron Inc. Fastener and fabrication method therefor
US5578034A (en) 1995-06-07 1996-11-26 Danek Medical, Inc. Apparatus for preventing screw backout in a bone plate fixation system
US6227782B1 (en) * 1999-05-28 2001-05-08 Stephen Bowling Self-locking threaded fastener assembly
DE29915560U1 (de) * 1999-09-03 1999-12-23 Wolf-Garten GmbH & Co. KG, 57518 Betzdorf Schraubensicherung
US6402755B1 (en) * 2000-12-21 2002-06-11 Perumala Corporation Plate system for bridging and stabilizing spaced apart bone segments
US6450746B1 (en) * 2001-02-13 2002-09-17 Shimano, Inc. Screw retention device having serrations
US20050096657A1 (en) * 2002-02-26 2005-05-05 Alex Autericque Osteosynthesis or arthrodesis material comprising a bony plate
DE10243791A1 (de) * 2002-09-17 2004-03-18 Schäfer, Bernd Halswirbelplatte
JP2006503667A (ja) * 2002-10-28 2006-02-02 ブラックストーン メディカル，インコーポレーテッド ねじロック機構を備えた骨板組立体
US8105367B2 (en) * 2003-09-29 2012-01-31 Smith & Nephew, Inc. Bone plate and bone plate assemblies including polyaxial fasteners
CA2449883A1 (en) * 2003-11-18 2005-05-18 Terray Corporation Taper-lock bone screw fixation system
US7407337B2 (en) * 2004-06-17 2008-08-05 Micron Technology, Inc. Cam-locking positioning mechanism
US7749257B2 (en) * 2005-04-12 2010-07-06 Robert J. Medoff Bearing plate for use in fracture fixation having a spherical bearing hole with yielding expandability
US7883531B2 (en) 2005-07-06 2011-02-08 Stryker Spine Multi-axial bone plate system
WO2008021656A2 (en) * 2006-07-21 2008-02-21 Merlot Orthopedix, Inc. Apparatus and method for body tissue fixation
US20080177330A1 (en) * 2006-10-24 2008-07-24 Ralph James D Self-locking screws for medical implants
US20080147128A1 (en) * 2006-12-15 2008-06-19 Zimmer Technology, Inc. Cannulated bone screw and cannulated driver for the implantation thereof
DE102007022468A1 (de) * 2007-05-08 2008-11-13 Rolls-Royce Deutschland Ltd & Co Kg Bohrungsverzahnung zur Verdrehsicherung von Gewindeeinsätzen
US8388666B2 (en) * 2007-09-27 2013-03-05 Biomet C.V. Locking screw system with relatively hard spiked polyaxial bushing
US8808339B2 (en) * 2008-10-15 2014-08-19 Us Spine, Inc. Interlocking bone screw and washer concepts
WO2010124230A1 (en) * 2009-04-23 2010-10-28 University Of Massachusetts Bone fixture assembly
FR2948553B1 (fr) 2009-07-30 2012-06-08 Clariance Dispositif anti recul a tiroirs pour prothese
US9468481B2 (en) * 2012-05-17 2016-10-18 Blackstone Medical, Inc. Anti-backout mechanism for orthopedic devices

Also Published As

Publication number Publication date
BR112014018015A2 (enrdf_load_stackoverflow) 2017-06-20
AU2013262722A1 (en) 2014-07-24
JP2015518742A (ja) 2015-07-06
EP2849664A4 (en) 2016-06-01
EP2849664A1 (en) 2015-03-25
US9468481B2 (en) 2016-10-18
US20130310881A1 (en) 2013-11-21
BR112014018015A8 (pt) 2017-07-11
WO2013173622A1 (en) 2013-11-21

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20170516